@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@400;700&display=swap');
body {
    font-family: 'Roboto', sans-serif;
    margin: 0;
    padding: 0;
    background: linear-gradient(135deg, #12263A, #4F94FD);
    color: #fff;
    line-height: 1.6;
}
header {
    text-align: center;
    padding: 50px 20px;
    background: linear-gradient(135deg, #1e90ff, #8a2be2);
    position: relative;
    overflow: hidden;
}
header h1 {
    font-size: 3rem;
    font-weight: bold;
    margin: 0;
    position: relative;
    z-index: 2;
}
header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 200%;
    height: 100%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.2), transparent);
    transform: rotate(45deg);
    animation: float 10s infinite alternate;
    z-index: 1;
}
@keyframes float {
    from { transform: rotate(45deg) translateX(-10%); }
    to { transform: rotate(45deg) translateX(10%); }
}
.container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    padding: 20px;
}
.card {
    background: linear-gradient(135deg, #7400B8, #D754AB);
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease;
    position: relative;
    overflow: hidden;
}
.card:hover {
    transform: translateY(-10px);
}
.card img {
    width: 100%;
    height: auto;
    border-radius: 10px;
}
.card::after {
    content: '';
    position: absolute;
    bottom: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1), transparent);
    transform: rotate(45deg);
    transition: transform 0.5s ease;
}
.card:hover::after {
    transform: rotate(45deg) scale(1.2);
}
.code-block {
    background: #1e1e1e;
    color: #5AFF15;
    padding: 15px;
    border-radius: 5px;
    overflow-x: auto;
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.9rem;
}
table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    overflow: hidden;
}
th, td {
    padding: 10px;
    text-align: left;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
th {
    background: linear-gradient(135deg, #1abc9c, #2ecc71);
    color: #fff;
}
button {
    background: linear-gradient(135deg, #3498db, #2980b9);
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.3);
}
button:hover {
    box-shadow: 0 0 15px rgba(255, 255, 255, 0.5);
}
@media (max-width: 768px) {
    header h1 {
        font-size: 2rem;
    }
    .container {
        grid-template-columns: 1fr;
    }
    .card {
        padding: 15px;
    }
}